The time course of exit and entrance block during cryoballoon pulmonary vein isolation.

Abstract

AIMS
The dynamic time course of entrance and exit block during pulmonary vein isolation (PVI) is unknown. The purpose of this series was to dynamically evaluate the manifestation of entrance and exit conduction block during simultaneous circumferential PVI.
METHODS AND RESULTS
Pacing manoeuvres were performed during cryoballoon ablation of left-sided… (More)